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SubStreamer

SubStreamer

Stream Your Own Music Library

121 ratings
185 reviews
🎵 Music
Free

Details

  • Released
  • Updated
  • July 15, 2015
  • June 16, 2026

Features

Developer

Gaven Henry
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About

Access and stream your personal music library from a Subsonic-compatible server on your mobile device. Enjoy offline playback, personalized mixes, and detailed listening analytics without ads or subscriptions.

✓Stream and download music library
✓Offline listening with background processing
✓Personalized smart mixes
✓Listening analytics and scrobbling
✓Playlist and library management
✓Background playback with lock screen controls
✓Open source
Show original description

What users say

Summarized from real user reviews of SubStreamer. Based on 121 reviews and a 4.0/5 average, it highlights the 12 positives and 14 negatives reviewers mention most about this Music app.

Positive things

  • 🎨Beautiful and modern UI design
  • ⚡Clean, intuitive interface
  • 🎵Excellent Navidrome server compatibility
  • 📱Works seamlessly with self-hosted music servers
  • 🔄Reliable background playback functionality
  • 💾Offline download and caching features
  • 🎯Feature-rich playlist generator
  • 🆓Free with no ads or tracking
  • 🏠Internal/external IP configuration for home/away
  • 🎧Subsonic/Airsonic/Libresonic support
  • 📊Home screen with recents and suggestions
  • 🔐Works with authentication systems like Authelia SSO

Negative things

  • 🐛Frequent playback failures and stalling
  • 🐛Random crashes during playback
  • 🐛Scrobbling not working reliably
  • 🐛Large file playback issues (10MB+)
  • 🐛AirPlay/Apple TV streaming broken
  • 🐛Rewind/fast forward causes crashes
  • 🐛Background playback stops at track end
  • 🐛UI freezes on cellular connections
  • 🐛Slow app startup and load times
  • ⚠️Overwhelming UI with too many features
  • ⚠️Limited language support
  • ⚠️No CarPlay support (frequently requested)
  • ⚠️Missing all-songs library view
  • ⚠️Inconsistent offline mode organization
See all reviews

What's New in SubStreamer

8.0.73

June 16, 2026

• Playback speed control • Support multiple server URLs • Self-signed certificate fixes • Download your entire library • Bookmarks • Share songs • Play Next • Library songs view & faster search • Improved tablet layouts • Small screen fixes • Many more bug fixes and enhancements.

More

User reviews

Most RecentHighest RatedLowest Rated

Falta PT-Br

O app parece bom, mas falta suporte ao idioma PT-BR e também suporte a lyrics, pra acompanhar a letra da música, pra ele ficar 100%
TSPERSONALTRAINERTSPERSONALTRAINER

Super aplikacja

Wszystko co potrzebujesz jest tu dostępne, po za Radio
AA-2109AA-2109

Amazing

For an app thats free and allows to utilise self-hosted media solutions it's simply incredible. Amazing user interface, fuctionality and reliability. I cannot state how great it truly is! Serious props to the dev
LucasStarlyLucasStarly

Die beste Musik App!

Zuverlässig und es funktioniert alles!

Vielen Dank für deine Mühen!
eHbryeHbry

Приложение становится только лучше

С обновлением исправили создание волны по эпохам и это просто прекрасно.

Не понятно почему треки, которые отмечены как «нравится», попадают в navidrome не в избранное. Это странно.
Вит ДенВит Ден
See 180 more reviews

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User experience

🐞

Reported Bugs

18 issues

Songs fail to play without double-pressing play button

Bug

Playback stops with 4 seconds remaining in track

Bug

Skipping back crashes the app

Bug

Large files (10MB+) require pause-then-play to start

Bug

Scrobbling fails despite server support

Bug

AirPlay to Apple TV doesn't work

Bug

Time display incorrect for songs over 1 hour

Bug

Metadata loads too frequently, causing lag

Bug

App freezes when pulling down menu on player screen

Bug

Radio tab causes app freeze

Bug

Occasional non-responsive behavior

Bug

Crashes when switching between songs on cellular

Bug

Image optimization never completes on large libraries

Bug

Duplicate songs appear in multi-disc albums

Bug

Offline folder structure doesn't match server

Bug

Bluetooth playback sometimes plays two songs simultaneously

Bug

SSL support issues in older versions

Bug

Slow metadata loading from server

Bug
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Requested Features

18 requests

CarPlay support for in-car use

Feature

Traditional Chinese language support

Feature

Simplified Chinese language support

Feature

All-songs library view (not just albums/artists)

Feature

Lyrics API integration

Feature

Replay gain support

Feature

Smart playlists for yearly recaps

Feature

Batch download for offline music

Feature

Display codec and bitrate information

Feature

Better shuffle/random playback options

Feature

Improved pull-down gesture for minimizing player

Feature

Unified offline music view with filters

Feature

Song sorting options in playlists

Feature

Album art display in more views

Feature

Radio station support visibility fix

Feature

Genre sorting capability

Feature

Lock screen playback controls

Feature

Queue clearing functionality

Feature

FAQ

What does Substreamer do?

Substreamer allows you to stream and download your entire music library from a Subsonic-compatible server directly to your iPhone or iPad. It acts as a personal music streaming service, giving you access to your music anywhere.

What are the key features of Substreamer?

Key features include streaming in full quality or chosen bitrates, downloading albums and playlists for offline listening, personalized smart mixes based on your listening history, detailed listening analytics, and robust library management.

Is Substreamer free to use?

Yes, Substreamer is completely free to use. It offers no ads, no subscriptions, and does not collect any user data. It is also open source under the GPL-3.0 license.

What servers are compatible with Substreamer?

Substreamer is verified with Navidrome, Subsonic, Gonic, Nextcloud Music, and Ampache. It is also compatible with Airsonic-Advanced, Funkwhale, Supysonic, and other servers that support the Subsonic API.

Can I listen to music offline with Substreamer?

Yes, you can download albums and playlists for offline listening. The app features background queue processing and automatic recovery, and it switches to offline mode automatically when your server is unreachable.